Is CVE-2026-29106 in the CISA KEV catalog?

No. CVE-2026-29106 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-29106?

CVE-2026-29106 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2026-29106?

CVE-2026-29106 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-29106?

Upgrade suitecrm to 8.9.3 or later.

CVE & CISA-KEV Catalog

CVE-2026-29106

MEDIUM

5.9

CVSS v3

NVD

Description

SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, the value of the return_id request parameter is copied into the value of an HTML tag attribute which is an event handler and is encapsulated in double quotation marks. Versions 7.15.1 and 8.9.3 patch the issue. Users should also use a Content Security Policy (CSP) header to completely mitigate XSS.

CWE-79Cross-Site Scripting (XSS)CWE-80 CWE-116 CWE-159

How to fix

Remediation Available

suitecrmNVD

Affected:>= 8.0.0, < 8.9.3Fixed in:8.9.3CVE-2026-29106derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Vendor Advisory1

github.com

Release Notes1

docs.suitecrm.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-24.